git: openjdk/jdk: master: 8354922: ZGC: Use MAP_FIXED_NOREPLACE when reserving memory

[Stefan Karlsson]

Changeset: 0f1c448c
Branch: master
Author:    Stefan Karlsson <stefank at openjdk.org>
Date:      2025-04-22 11:23:40 +0000
URL:       https://git.openjdk.org/jdk/commit/0f1c448ca15485cd7270cf0607acfceacdcefaff

8354922: ZGC: Use MAP_FIXED_NOREPLACE when reserving memory

Reviewed-by: aboldtch, eosterlund

! src/hotspot/os/linux/gc/z/zSyscall_linux.hpp
! src/hotspot/os/posix/gc/z/zVirtualMemoryManager_posix.cpp